Microchip Technology BM83 EVB - 3 Hardware

3. Hardware
This chapter describes the hardware features of the BM83 EVB. The BM83 EVB includes a range of peripheral
components.
Figure 3-1. Block Diagram
SYS_PWR
LED2
AOHPR
AOHPM
AOHPL
MIC1_P
MIC2_N
MIC_BIAS
UART
BAT_IN
Buttons and
Switches
MIC and
Bias Circuit
Audio
Input
Jack
Status LEDs
Power
Jack
15V
Adapter
ADC CH
16 MHz
Crystal
SPKR
SPKL
Thermistor
Li-Ion
Battery
Audio
Output
Jack
Aux-In Jack
USB to UART
(MCP2200)
3V35V
Regulator
ADAP_IN
Micro-B
USB
12 MHz
Crystal
Power
Switch
15V5V
15V
3V3
I/O
5V
3V3
LDO
5V
P3_4
Mode
Switch
Type-A USB
Audio
Input
Jack
MIC and
Bias Circuit
DMIC_CLK
Audio Daughter
Board
3.3 V
15 V
5
V
I
2
S
15 V
LED1
CPU JTAG
JTAG
XPRO
Header
I/O
AIRAIL
DMIC
1
L
/
R
DMIC
2
L
/
R
MIC1_N
MIC2_P
BM83 Module on the
BM83 Carrier Board
External MCU
(PIC32MX450F256L)
/PIM Socket
Micro-B
USB
USB
J-link
Adapter
Board
Bluetooth Audio Development Board
Regulator
STA369BW
Digital Microphone
Daugther Boards
BM83 EVB
Hardware
© 2019 Microchip Technology Inc.
User Guide
DS50002902A-page 10